ffmpeg | branch: master | Andreas Rheinhardt <[email protected]> | 
Fri Oct  1 15:30:30 2021 +0200| [ac42b604415af9e72b61ae58976e6b5c4c7499c7] | 
committer: Andreas Rheinhardt

avformat/sccdec: Make constants more intelligible

Reviewed-by: Paul B Mahol <[email protected]>
Signed-off-by: Andreas Rheinhardt <[email protected]>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ac42b604415af9e72b61ae58976e6b5c4c7499c7
---

 libavformat/sccdec.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavformat/sccdec.c b/libavformat/sccdec.c
index cd45bda8c9..286b1b3b0e 100644
--- a/libavformat/sccdec.c
+++ b/libavformat/sccdec.c
@@ -51,9 +51,9 @@ static int scc_probe(const AVProbeData *p)
 static int convert(uint8_t x)
 {
     if (x >= 'a')
-        x -= 87;
+        x -= 'a' - 10;
     else if (x >= 'A')
-        x -= 55;
+        x -= 'A' - 10;
     else
         x -= '0';
     return x;

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